Question

Two wires are connected to a rigid bar as shown in Fig. Q.2b below. The details of the copper alloy wire and the aluminium alloy wire are as follows: (b) ofElasticity,E(MPa) 137.9 x 10 68.9 x 103 Cross-section area (mm) vModulus of Elasticity, E (MPa) Materials Copper Alloy Aluminium alloy Determine the position (x) of the force Fi (4.9 kN) such that the bar would remain 64.5 129 (50%) horizontal? Aluminum alloy wire 10 m Copper alloy wire 6 m Fi 4.9 kN F2 4 kN 3 m 6 m Fig. Q.2b

Answer 1

the e bar to ?main honzontadl the 2 eloraton must be 2 Samt) . P Le - Pa La 多 -) 6.003L-O.CNSTR = 1-1250aa Pa Take moments all Porces about eend e S.SLH